Twilight's Fall – a separate game. Twilight Imperium's expansions, mods and rules topics are not part of it.

Festival

ACTION: Ready a non-home planet that contains 1 of your structures. If that planet contains your monument, place 4 infantry or 1 mech on it.
Action card

ACTION: Ready a non-home planet that contains 1 of your structures. If that planet contains your monument, place 4 infantry or 1 mech on it.

1in the deck
–chance to draw
Yescomponent action

Source: Monuments